r249144 - in /trunk/gcc: ChangeLog fold-const.c...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Tue Jun 13 07:07:08 2017
New Revision: 249144

URL: https://gcc.gnu.org/viewcvs?rev=249144&root=gcc&view=rev
Log:
2017-06-13  Richard Biener  <rguenther@suse.de>

	PR middle-end/81065
	* fold-const.c (extract_muldiv_1): Remove bogus distribution
	case of C * (x * C2 + C3).
	(fold_addr_of_array_ref_difference): Properly fold index difference.

	* c-c++-common/ubsan/pr81065.c: New testcase.

Added:
    trunk/gcc/testsuite/c-c++-common/ubsan/pr81065.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog